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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 2445 | if ( isset($types[$wilds[0]])) { |
| 2446 | $icon = $types[$wilds[0]]; |
| 2447 | if ( !is_numeric($mime) ) |
| 2448 | wp_cache_set("mime_type_icon_$mime", $icon); |
| 2449 | break; |
| 2450 | } |
| 2451 | } |
| 2452 | } |
| 2453 | |
| 2454 | return apply_filters( 'wp_mime_type_icon', $icon, $mime, $post_id ); // Last arg is 0 if function pass mime type. |
| 2455 | } |
| 2456 | |
| 2457 | /** |
| 2458 | * wp_check_for_changed_slugs() - {@internal Missing Short Description}} |
| 2459 | * |
| 2460 | * {@internal Missing Long Description}} |
| 2461 | * |
| 2462 | * @package WordPress |
| 2463 | * @subpackage Post |